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* * eval.c (dwim_loc, dwim_op): Eliminated redundant re-evaluationKaz Kylheku2012-01-266-56/+146
| | | | | | | | | | | | | | | | | of range arguments. They are already evaluated since the cons expression is evaluates as part of the dwim arglist. Replaced some open code with function calls to the new listref and listref_l functions. (tostring, tostringp): made extern and moved to lib.c. * lib.c (listref, listref_l): New functions. (tostring, tostringp): moved here from eval.c. * lib.h (listref, listref_l, tostring, tostringp): Declared. * match.c (format_field): Handle index and range references. * txr.1: Documented new output variable syntax.
* * eval.c (dwim_loc): Handles full responsibility for assigningKaz Kylheku2012-01-253-21/+104
| | | | | | | | | | to list and array ranges. (op_modplace): Pass extra arguments to dwim_loc so it can do the job for ranges. If dwim_loc returns 0, it means that it did everything. (op_dwim): Support list and array ranges. * txr.1: Documented.
* * arith.c (zerop): Misspelling in error message.Kaz Kylheku2012-01-253-16/+37
| | | | | | | * lib.c (sub_list, replace_list, sub_vec, replace_vec): Allow the value t to specify one element past the end, so that t t refers to zero-length sequence just past the end of the array or list. Also, fixed out of bounds memmoves in replace_vec.
* * eval.c (eval_init): New functions registered.Kaz Kylheku2012-01-258-9/+224
| | | | | | | | | | | | | | | | | | * lib.c (sub_list, replace_list, vectorp): New functions. (sub_vec): Allow negative indices from end of array. (replace_vec): New function. * lib.h (sub_list, replace_list, vectorp, replace_vec): Declared. * parser.l (DOTDOT): Scan .. as new token. * parser.y (DOTDOT): New token. (expr): New syntax with DOTDOT. (yybadtoken): Handle DOTDOT. * txr.vim: Added new functions. Also missing append* and dwim. * txr.1: Updated.
* * txr.vim (txr_chr): Fix for highlighting named charactersKaz Kylheku2012-01-252-1/+6
| | | | like #\newline.
* * eval.c (dwim_s): New symbol variable.Kaz Kylheku2012-01-258-42/+360
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (dwim_loc, op_dwim): New static functions. (op_modplace): Support assignment to dwim forms with the help of dwim_loc. (expand_place): Handle dwim places. (eval_init): Initialize dwim_s. Register dwim operator in op_table. * eval.h (dwim_s): Declared. * lib.c (chr_str, chr_str_set): Allow negative indices to index backwards from end of string. (vecref, vecref_l): Allow negative indices to index from rear of array. (obj_print, obj_pprint): Render (dwim ...) forms as [...]. * parser.l: Peoduce new METABKT token type for @[, and '[', ']' tokens. * parser.y (METABKT): New token. %type declaration for '['. (list): Support square-bracket style of list, translated into dwim form. (meta_expr): Support @[...] variant. (yybadtoken): Handle METABKT in switch. * txr.1: Documented [...] syntax and dwim operator. * txr.vim: Updated.
* Version 54txr-54Kaz Kylheku2012-01-215-4/+36
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * debug.c (help): Added missing help for w command.Kaz Kylheku2012-01-217-15/+43
| | | | | | | | | | | | | | | | | | | | (debug): In backtrace, show the renaming pairs for unbound variables (up_p_a_pairs) if they are present. * debug.h (debug_begin): Renamed to debug_frame. * eval.c (eval): Wrap debug_begin/debug_end around function dispatch, so TXR Lisp functions are included in backtraces. * match.c (h_fun): Follow rename of debug_begin to debug_frame. Pass in evaluated args, not the original ones. (v_fun): Likewise. * unwind.c (uw_push_debug): bindings argument renamed to env. Bugfix: args argument was being assigned to ub_p_a_pairs. * unwind.h (struct uw_debug): Member bindings renamed to env. (uw_push_debug): Declaration updated.
* * debug.c (last_command): Do not initialize with lit();Kaz Kylheku2012-01-212-2/+8
| | | | | this is not a constant expression in C. (debug): Handle the situation here.
* * debug.c (help): Filled in.Kaz Kylheku2012-01-212-5/+18
| | | | (debug): Some commands changed due to duplicates.
* * match.c (v_fun): Removing all debugging instrumentation.Kaz Kylheku2012-01-212-12/+15
| | | | | | | (match_files): Moving debug_check out of directive case so it covers all forms handled by loop. All this makes the n command in the debugger work better: not skip over function calls or horizontal material.
* Improved debugging. Debug nesting depth counter maintainedKaz Kylheku2012-01-219-44/+198
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and used for next/step/finish stepping. * Makefile (OBJS): debug.o moved to OBJS-y or OBJS-. (OBJS-y, OBJS-): New variables. $(PROG): Depends on OBJS-y also. clean: clean $(OBJS-y). depend: include $(OBJS-y) in dependency generation. * configure: Underscores and dashes are interchangeable in configure variables. (yaccname_given, yacc_given): Default value is y, not yes. (debug_support): New config variable. (CONFIG_DEBUG_SUPPORT): New config.h symbol. * debug.c (debug_depth): New global variable. (debug_block_s): New symbol variable. (next_depth): New static variable. (debug): Renamed some commands. Introduced separate next, step and finish. (debug_init): debug_block_s initialized. * debug.h (debug_depth, debug_block_s): Declared. (debug_enter, debug_leave, debug_return): New macros. (debug_check, debug_init): Conditionally defined based on if this is a debug build. * dep.mk: Regenerated. * eval.c (eval): Instrumented with debug_enter, debug_leave, debug_return. * match.c (match_line, v_fun, match_files): Likewise. * txr.c (txr_main): Bail if -d or --debug used in build that lacks debug support.
* * debug.c (last_command): Initialize to empty string ratherKaz Kylheku2012-01-193-4/+44
| | | | | | | | | | | | | than nil, otherwise hitting enter tries to repeat the nil command. (show_bindings): New function. Prints all levels of bindings. (debug): Flip the corresponding print flags after printing the current form or data, so they are not printed for every prompt. On EOF from standard input, substitute the q command. If enter is hit and there is no last command, just re-print the prompt. The v command uses show_bindings to dump the environment. * eval.c (eval): When calling debug_check, pass the env objects, rather than the bindings it contains.
* * lib.c (car_l, cdr_l): Bugfix: do not call the lazy consKaz Kylheku2012-01-192-2/+13
| | | | force function if it is already nil, and set it to nil afterward.
* Minor edits.Kaz Kylheku2012-01-141-12/+13
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* Remove junk.Kaz Kylheku2012-01-141-2/+0
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* Spelling.Kaz Kylheku2012-01-141-1/+1
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* Minor fixes, and removed last vestiges of references to the obsolescentKaz Kylheku2012-01-141-8/+11
| | | | variant of the @(next) syntax.
* Minor.Kaz Kylheku2012-01-141-6/+6
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* Minor edits.Kaz Kylheku2012-01-121-2/+2
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* Clarification.Kaz Kylheku2012-01-121-1/+3
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* * eval.c (eval_init): Make lazy_appendv functionKaz Kylheku2012-01-123-7/+23
| | | | | | available as append*. * txr.1: Documented.
* Before releasing 53, there is this.txr-53Kaz Kylheku2012-01-112-1/+11
| | | | | | | * eval.c (c_var_mark): Bugfix: we cannot use cptr_get from within the garbage collector because of its type check. Bugfix: synchronize the shadow binding with the variable's current contents so we don't hang on to a stale object.
* Version 53Kaz Kylheku2012-01-115-3/+39
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* TXR Lisp regression in C global variables.Kaz Kylheku2012-01-112-6/+47
| | | | | | | | | | | * eval.c (struct c_var): New struct type. (lookup_var, lookup_var_l): cptr type bindings now point to a struct c_var, which has to be handled properly here. (c_var_mark): New static function. (c_var_ops): New static struct. (reg_var): Register variables using struct c_var to provide a pointer to the location and a cached cons that can be returned as a binding.
* * eval.c (each_s, each_star_s, collect_each_s, collect_each_star_s):Kaz Kylheku2012-01-114-2/+131
| | | | | | | | | | | New symbol variables. (op_each): New static function. (expand): Handle the four new operators. (eval_init): Intern new symbols, register new operators. * txr.1: Documented each, each*, collect-each and collect-each*. * txr.vim: Updated.
* * eval.c (eval_init): list_str registered.Kaz Kylheku2012-01-116-1/+27
| | | | | | | | | | * lib.c (list_str): New function. * lib.h (list_str): Declared. * txr.1: Doc stub section created. * txr.vim: Updated.
* * eval.c (generate): Bugfix: do not call gen_fun beforeKaz Kylheku2012-01-102-1/+6
| | | | testing while_pred.
* * eval.c (tostring, tostringp): New static functions.Kaz Kylheku2012-01-104-2/+28
| | | | | | | | (eval_init): New functions registered. * txr.1: Stub sections created. * txr.vim: Updated.
* Spat of new features having to do with lazy processing.Kaz Kylheku2012-01-106-16/+451
| | | | | | | | | | | | | | | | | | | | | | | | * eval.c (prog1_s, gen_s, generate_s, delay_s, promise_s): New symbol variables. (eval_prog1, op_prog1, expand_gen, expand_delay): New static functions. (expand): Handle gen and delay. (lazy_mapcar_func, lazy_mapcar, lazy_mapcarv_func, lazy_mapcarv, lazy_mappendv): New static functions. (rangev_func, rangev, generate_func, generate, repeat_infinite_func, repeat_times_func, repeatv, force): New static functions. (eval_init): New operators and functions interned. lazy-flatten renamed to flatten*. * lib.c (null_f): New global variable. (ltail, lazy_appendv): New functions. (lazy_appendv_func): New static function. (obj_init): null_f protected and initialized. * lib.h (null_f, ltail, lazy_appendv): Declared. * txr.1: Documented. * txr.vim: Updated.
* Non-broken way to achieve intent of previous commit.Kaz Kylheku2012-01-094-11/+34
| | | | | | | | | | | | | | * eval.c (subst_vars): Do not evaluate modifiers as an argument list locally. Pass form-evaluating function to format_field. * match.c (format_field): Modified to accept new argument, a one-argument function for reducing a form to a value. Error checking for invalid modifiers made stricter. (subst_vars): Do not evaluate modifiers as an argument list. Pass form-evaluating function to format_field. * match.h (format_field): Declaration updated.
* * eval.c (subst_vars): Evaluate theKaz Kylheku2012-01-093-1/+13
| | | | | | | modifiers, so expressions can be used. * match.c (subst_vars): Likewise, but using txeval.
* Break up glued keywords.Kaz Kylheku2012-01-071-1/+1
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* * eval.c (eval_init): Missing documented memql function registered.Kaz Kylheku2012-01-072-9/+22
| | | | * txr.vim: Updated with numerous missing symbols.
* Version 52txr-52Kaz Kylheku2012-01-073-10/+59
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated. Wrong December dates fixed.
* * match.c (fuzz_s): New symbol variable.Kaz Kylheku2012-01-063-1/+96
| | | | | | | | (v_fuzz): New static function. (syms_init): fuzz_s initialized. (dir_tables_init): v_fuzz entered into v_directive_table. * txr.1: Documented @(fuzz).
* * match.c (v_gather): Implemented until/last clause.Kaz Kylheku2012-01-064-2/+74
| | | | | | | * parser.y (gather_parts, additional_gather_parts): New nonterminals. (gather_clause): Syntax refactored for until/last clause. * txr.1: Updated.
* * eval.c (eval_init): Fix regression introduced inKaz Kylheku2012-01-022-1/+7
| | | | | 2011-12-29 commit. We can't use mod_s, because the module which sets up that variable is not yet initialized.
* Make C globals in TXR Lisp properly assignable, so that for instanceKaz Kylheku2012-01-013-14/+53
| | | | | | | | | | | | | | | assigning *stdout*, it really overwrites the underlying C variable. * eval.c (lookup_var): Handle new kind of toplevel binding. If the hash value is a cptr, it points to a val storage location. (lookup_val_l): New function. (op_modplace): Get location of variable using lookup_val_l rather than assuming there is a cons-based binding. (reg_var): Argument changed to val * pointer. Register the variable as a cptr referencing the location. (eval_init): reg_var calls pass address of each global. * eval.h (lookup_var_l): Declared.
* * eval.c (eval_init): New gensym function registered.Kaz Kylheku2012-01-014-0/+26
| | | | | | | | * lib.c (gensym_counter): New variable. (gensymv): New function. (obj_init): Initialize gensym_counter. * lib.h (gensym_counter, gensymv): Declared.
* * match.c (counter_k): New keyword symbol variable.Kaz Kylheku2011-12-306-18/+76
| | | | | | | | | | | | | | | | | | | | (do_output_line): Process new :counter argument of rep. (do_output): Ditto, for repeat. (syms_init): Intern new keyword symbol. * match.h (counter_k): Declared. * parser.l (REPEAT, REP): Lexical syntax changed to allow arguments. * parser.y (repeat_rep_helper): Takes extra argument, representing the repeat/rep args. This is inserted into the second position of the output list. (repeat_clause, rep_elem): Extract repeat/rep arguments and pass to repeat_rep_helper. (yybadtoken): Do not put quotes around the word "number". * txr.1: Updated.
* New functionality: mod and modlast directives in repeat and rep.Kaz Kylheku2011-12-298-30/+202
| | | | | | | | | | | | | | | | | | | | | | * eval.c (eval_init): Use new symbol variable mod_s instead of calling intern. * match.c (mod_s, modlast_s): Symbol variables defined. (do_output_line): mod and modlast directives implemented under rep. (do_output): likewise under repeat. (syms_init): Initialize new symbol variables. * match.h (mod_s, modlast_s): Declared. * parser.l (MOD, MODLAST): Parse new token types. * parser.y (MOD, MODLAST): New tokens. (repeat_parts_opt, rep_parts_opt): New syntax. (repeat_rep_helper): Handle mod and modlast syntax. * txr.1: Updated. * txr.vim: Updated.
* * parser.y (repeat_rep_helper): Bugfix. Circular listsKaz Kylheku2011-12-292-1/+8
| | | | | | were being created here when clauses of the same kind appear multiple times. The problem is that append2 no longer copies the second list, which the code was relying on it to do.
* * txr.1: Missing Description headings added.Kaz Kylheku2011-12-292-0/+5
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* * txr.1: Useless sentence under reduce-left and reduce-right removed.Kaz Kylheku2011-12-292-3/+4
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* Spelling.Kaz Kylheku2011-12-291-2/+2
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* * txr.1: Clarifying semantics of exceptions being thrown inKaz Kylheku2011-12-281-8/+13
| | | | catch clauses and in finally clauses.
* * genman.txr: Updated for recent man page changes.Kaz Kylheku2011-12-282-1/+5
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* Version 51txr-51Kaz Kylheku2011-12-285-3/+42
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * txr.1: Capitalize TXR where it makes sense.Kaz Kylheku2011-12-282-76/+68
| | | | Introductory text rewritten.
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